Company lists · Data refreshed October 2026

Top 25 Energy efficiency consulting services based in South Africa

Name: Energy efficiency consulting services based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 150 companies tracked

RevenueBase identified 150 company matches for energy efficiency consulting services associated with South Africa as of October 2026 and tracks 1,032 professional contacts across them, including 422 with verified work emails. Cape Town is the largest hub.

This list covers company matches for energy efficiency consulting services associated with South Africa, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built

150Companies

1,032Contacts tracked

422Verified emails

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The 25 largest energy efficiency consulting services based in South Africa

Ranked by team size

Top 25 of 150 company matches for energy efficiency consulting services based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Livewire Engineering And Consulting PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	11-50	53 contacts →
	Exact match “Livewire Engineering and Consulting (Pty) Ltd was founded in March 2006 to specifically address consulting requirements in the fields of Energy Management, Tariff Analysis, Energy…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	GCX	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	11-50	41 contacts →
	Exact match “The journey to sustainability is complex.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Reonet	Exact match	Sandton, South AfricaHQ recorded Oct 12, 2026	51-200	38 contacts →
	Exact match “Reonet offers bespoke technical solutions and decades of analytical experience to reduce your utility footprint and deliver quantifiable financial benefits.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Karebo Group	Exact match	Woodmead, South AfricaHQ recorded Oct 12, 2026	11-50	38 contacts →
	Exact match “Karebo has been in business since 1997 and has a solid track record in large scale energy efficiency rollouts and other mass rollouts.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Energy And Combustion Services	Exact match	Kloof, South AfricaHQ recorded Oct 12, 2026	11-50	37 contacts →
	Exact match “At ECS we strive to empower our customers in the mining, industrial and commercial sectors with the ability to transform and continuously enhance and optimise their operational…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Raydian Group PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	51-200	35 contacts →
	Exact match “Raydian has a rich history and a diverse range of services, evolving from its early days as Laserfix to becoming a leading provider of service contracts, office automation…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Decentral Energy	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	11-50	34 contacts →
	Exact match “Since 2009, Decentral has been providing enduring energy solutions to the commercial, industrial, and residential sectors in South Africa.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	LTM Energy PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	201-500	26 contacts →
	Exact match “LTM Energy is an Energy Services Company (ESCO) with a unique blend of skills and experience obtained primarily in the energy industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Onezero Consulting	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	11-50	23 contacts →
	Exact match “Since our inception in 2010, we coined the term Greenovative and have aimed to be pioneers in the electrical and electronic building.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Infoled	Exact match	Montague Gardens, South AfricaHQ recorded Oct 12, 2026	11-50	21 contacts →
	Exact match “INFOLED is an experienced and progressive Energy Solutions Company and a recognized leader in the project development and energy consulting services industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	The Energy Gurus	Exact match	City Of Tshwane, South AfricaHQ recorded Oct 12, 2026	51-200	17 contacts →
	Exact match “The Energy Gurus (Pty) Ltd.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Ecolution Consulting	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	11-50	15 contacts →
	Exact match “Ecolution Consulting is a green building consultancy demonstrating that responsible design is the most practical and efficient way to build for the future.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Grenex	Exact match	Pretoria, South AfricaHQ recorded Oct 12, 2026	11-50	15 contacts →
	Exact match “Located in Pretoria, Grenex (PTY) Ltd specializes in energy management, water management, carbon management services and products.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	SEM Solutions PTY LTD	Exact match	Centurion, South AfricaHQ recorded Oct 12, 2026	11-50	12 contacts →
	Exact match “SEM Solutions is an ENERGY ENGINEERING company that specialises in tailoring bespoke solutions for the energy requirements of our clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Imbue Sustainability	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	1-10	11 contacts →
	Exact match “Imbue Sustainability is a leading South African sustainability consultancy specialising in solar and renewable energy solutions and utility optimisation, enhancing the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Urban Earth	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	1-10	9 contacts →
	Exact match “Urban Earth is a South African sustainability consultancy established in 2010.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Delta Carbon	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	1-10	8 contacts →
	Exact match “Delta Carbon is an integrated energy services and decarbonisation advisory company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Energyrite PTY LTD	Exact match	Silverton, South AfricaHQ recorded Oct 12, 2026	1-10	7 contacts →
	Exact match “Energyrite focuses on installing and implementing effective and efficient energy management solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Energy Cost Savers	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Did you know that energy waste can drain your budget faster than you think?” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Premier Brands Energy Solutions	Exact match	City Of Tshwane, South AfricaHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match “Premier Brands Energy Solutions is an energy company focusing on renewable energy and energy efficiency.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Bfba Durban Consultants PTY LTD	Exact match	Durban, South AfricaHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “BFBA DURBAN CONSULTANTS is an established Electrical Engineering consulting company in Durban.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Terawatt Energy	Exact match	Durban, South AfricaHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Terawatt Energy is a Business Energy Solutions provider helping businesses navigate the its way through Sustainability Projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Clean Kilowatt Energy	Exact match	Somerset West, South AfricaHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “We are dedicated to transforming the energy landscape by providing cutting-edge consulting services with a strong focus on renewable energy integration.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Engage Energy Engineering	Exact match	Durban, South AfricaHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “Engage Energy and Engineering (Pty) Ltd “ENGAGE” has a core team that have worked on over 100 sites locally and internationally; providing energy advisory services, engineering…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Madonse Consulting Engineers	Exact match	Bedfordview, South AfricaHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “Electrical Consulting Company Specialising in a wide range of services ranging from design, implementation and project administration from building services (Electrical and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “energy efficiency consulting services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 150 energy efficiency consulting services based in South Africa

See the full list, filter by size, metro and specialty, and access 422 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficiency consulting services based in South Africa at a glance

As of Oct 12, 2026

40.9%Verified-email coverage

6.9Average contacts per company

1-10Median size (employees)

20.0%Largest-city concentration · Cape Town

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 150 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with South Africa whose business descriptions match “energy efficiency consulting services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 422 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 12, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Energy efficiency consulting services by metro

Energy efficiency consulting services in Cape Town30

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “energy efficiency consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficiency consulting services are there based in South Africa?

RevenueBase identified 150 company matches for energy efficiency consulting services associated with South Africa as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Livewire Engineering And Consulting PTY LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most energy efficiency consulting services?

Cape Town leads with 30 company records, followed by Johannesburg (20) and Centurion (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 422 professional contacts with verified work emails tracked across these 150 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 12, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.